linux-kernel - [tip:core/locking] liblockdep: Add pthread_rwlock

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Message-ID: <tip-dbe941827eab53194eda5cd350a4e1414f192658@git.kernel.org>
Date:	Wed, 27 Nov 2013 06:09:19 -0800
From:	tip-bot for Sasha Levin <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, sasha.levin@...cle.com,
	hpa@...or.com, mingo@...nel.org, peterz@...radead.org,
	tglx@...utronix.de
Subject: [tip:core/locking] liblockdep: Add pthread_rwlock_t test suite

Commit-ID:  dbe941827eab53194eda5cd350a4e1414f192658
Gitweb:     http://git.kernel.org/tip/dbe941827eab53194eda5cd350a4e1414f192658
Author:     Sasha Levin <sasha.levin@...cle.com>
AuthorDate: Thu, 13 Jun 2013 18:41:21 -0400
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 27 Nov 2013 11:55:24 +0100

liblockdep: Add pthread_rwlock_t test suite

A simple test to make sure we handle rwlocks correctly.

Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Cc: torvalds@...ux-foundation.org
Link: http://lkml.kernel.org/r/1371163284-6346-7-git-send-email-sasha.levin@oracle.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/lib/lockdep/tests/WW.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/lib/lockdep/tests/WW.c b/tools/lib/lockdep/tests/WW.c
new file mode 100644
index 0000000..d44f77d
--- /dev/null
+++ b/tools/lib/lockdep/tests/WW.c
@@ -0,0 +1,13 @@
+#include <liblockdep/rwlock.h>
+
+void main(void)
+{
+	pthread_rwlock_t a, b;
+
+	pthread_rwlock_init(&a, NULL);
+	pthread_rwlock_init(&b, NULL);
+
+	pthread_rwlock_wrlock(&a);
+	pthread_rwlock_rdlock(&b);
+	pthread_rwlock_wrlock(&a);
+}
--
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